<template>
  <div id="TabControl" class="tab-control">
    <div v-for="(item, index) in titles" :key="item" class="tab-control-item"
    :class="{active: index === currentTindex}" @click="itemClick(index)" >
      <span>{{item}}</span>
    </div>
  </div>
</template>

<script>
export default {
  name: "TabControl",
  props: {
    titles: Array,
    default() {
      return []
    }
  },
  data() {
    return {
      currentTindex: 0 //定义变量记录谁被选中
    }
  },
  methods: {
    //选项卡点击事件
    itemClick(index) {
      this.currentTindex = index //点击那个item 就设置item的颜色
      //子组件向父组件传递数据
      this.$emit('tabClick',index)
    }
  }
}
</script>

<style scoped>
  .tab-control {
    display: flex;
    text-align: center;
    font-size: 15px;
    height: 40px;
    line-height: 40px;
    background-color: #fff;
  }
  .tab-control-item {
    flex: 1;
  }
  .active {
    color: var(--color-high-text);
  }
  .active span {
    border-bottom: 3px solid var(--color-tint);
  }
  .tab-control-item span {
    padding: 5px;
  }
</style>
